Spine
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This was a single-institute retrospective study. ⋯ 3.
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Retrospective case series. ⋯ 4.
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Multicenter Study
Steroid Associated Acute Clinical Worsening and Poor Outcome in Patients with Spinal Dural Arteriovenous Fistulas: A Prospective Cohort Study.
A prospective cohort study. ⋯ 3.
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Prospective multi-center study. ⋯ 2.
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Meta-analysis to collect relevant studies to assess the association between COL11A1 and GDF5 genetic variants and susceptibility to IDD. ⋯ 1.